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2288485 = 5457697
BaseRepresentation
bin1000101110101101100101
311022021012201
420232231211
51041212420
6121014501
725310653
oct10565545
94267181
102288485
111323411
12924431
13621844
14437dd3
1530310a
hex22eb65

2288485 has 4 divisors (see below), whose sum is σ = 2746188. Its totient is φ = 1830784.

The previous prime is 2288479. The next prime is 2288509. The reversal of 2288485 is 5848822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1036324 + 1252161 = 1018^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288485 - 29 = 2287973 is a prime.

It is a d-powerful number, because it can be written as 211 + 216 + 83 + 84 + 45 + 86 + 59 .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228844 + ... + 228853.

It is an arithmetic number, because the mean of its divisors is an integer number (686547).

22288485 is an apocalyptic number.

It is an amenable number.

2288485 is a deficient number, since it is larger than the sum of its proper divisors (457703).

2288485 is an equidigital number, since it uses as much as digits as its factorization.

2288485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457702.

The product of its digits is 40960, while the sum is 37.

The square root of 2288485 is about 1512.7739421341. The cubic root of 2288485 is about 131.7799555500.

The spelling of 2288485 in words is "two million, two hundred eighty-eight thousand, four hundred eighty-five".

Divisors: 1 5 457697 2288485